2 code implementations • 9 Apr 2024 • Yitong Li, Tom Nuno Wolf, Sebastian Pölsterl, Igor Yakushev, Dennis M. Hedderich, Christian Wachinger
To address these issues, we propose Triplet Training for differential diagnosis with limited target data.
1 code implementation • 15 Dec 2023 • Tom Nuno Wolf, Fabian Bongratz, Anne-Marie Rickmann, Sebastian Pölsterl, Christian Wachinger
During inference, similarities of latent features to prototypes are linearly classified to form predictions and attribution maps are provided to explain the similarity.
1 code implementation • 13 Mar 2023 • Tom Nuno Wolf, Sebastian Pölsterl, Christian Wachinger
We propose PANIC, a prototypical additive neural network for interpretable AD classification that integrates 3D image and tabular data.
no code implementations • 19 Sep 2022 • Anne-Marie Rickmann, Fabian Bongratz, Sebastian Pölsterl, Ignacio Sarasua, Christian Wachinger
The reconstruction of cerebral cortex surfaces from brain MRI scans is instrumental for the analysis of brain morphology and the detection of cortical thinning in neurodegenerative diseases like Alzheimer's disease (AD).
no code implementations • 5 Jul 2022 • Ignacio Sarasua, Sebastian Pölsterl, Christian Wachinger
To this end, we introduce CASHformer, a transformer-based framework to model longitudinal shape trajectories in AD.
no code implementations • 5 Jul 2022 • Marla Narazani, Ignacio Sarasua, Sebastian Pölsterl, Aldana Lizarraga, Igor Yakushev, Christian Wachinger
AD classification and focus on differential diagnosis of dementia, where fusing multi-modal image information conforms with a clinical need.
1 code implementation • CVPR 2022 • Fabian Bongratz, Anne-Marie Rickmann, Sebastian Pölsterl, Christian Wachinger
The reconstruction of cortical surfaces from brain magnetic resonance imaging (MRI) scans is essential for quantitative analyses of cortical thickness and sulcal morphology.
no code implementations • 1 Sep 2021 • Ignacio Sarasua, Sebastian Pölsterl, Christian Wachinger
To the best of our knowledge, this is the first work that combines transformer and mesh networks.
no code implementations • 12 Aug 2021 • Raphael Ronge, Kwangsik Nho, Christian Wachinger, Sebastian Pölsterl
The current state-of-the-art deep neural networks (DNNs) for Alzheimer's Disease diagnosis use different biomarker combinations to classify patients, but do not allow extracting knowledge about the interactions of biomarkers.
1 code implementation • 13 Jul 2021 • Sebastian Pölsterl, Christina Aigner, Christian Wachinger
We propose Shapley Value Explanation of Heterogeneous Neural Networks (SVEHNN) for explaining the Alzheimer's diagnosis made by a DNN from the 3D point cloud of the neuroanatomy and tabular biomarkers.
2 code implementations • 13 Jul 2021 • Sebastian Pölsterl, Tom Nuno Wolf, Christian Wachinger
Prior work on diagnosing Alzheimer's disease from magnetic resonance images of the brain established that convolutional neural networks (CNNs) can leverage the high-dimensional image information for classifying patients.
no code implementations • 11 Nov 2020 • Philipp Kopper, Sebastian Pölsterl, Christian Wachinger, Bernd Bischl, Andreas Bender, David Rügamer
We propose a versatile framework for survival analysis that combines advanced concepts from statistics with deep learning.
1 code implementation • 23 Jun 2020 • Sebastian Pölsterl, Christian Wachinger
We derive a causal graph from the current clinical knowledge on cause and effect in the Alzheimer's disease continuum, and show that identifiability of the causal effect requires all confounders to be known and measured.
1 code implementation • 12 Feb 2020 • Christian Wachinger, Anna Rieckmann, Sebastian Pölsterl
Given such evidence, we take a closer look at confounding bias, which is often viewed as the main shortcoming in observational studies.
no code implementations • 9 Sep 2019 • Sebastian Pölsterl, Ignacio Sarasua, Benjamín Gutiérrez-Becker, Christian Wachinger
Our network is trained end-to-end to combine information from a patient's hippocampus shape and clinical biomarkers.
no code implementations • 9 Jul 2019 • Christian Wachinger, Benjamin Gutierrez Becker, Anna Rieckmann, Sebastian Pölsterl
In this work, we combine 12, 207 MRI scans from 15 studies and show that simple pooling is often ill-advised due to introducing various types of biases in the training data.
1 code implementation • 24 May 2019 • Sebastian Pölsterl, Christian Wachinger
Recent methods for generating novel molecules use graph representations of molecules and employ various forms of graph convolutional neural networks for inference.
no code implementations • 16 May 2019 • Abhijit Guha Roy, Shayan Siddiqui, Sebastian Pölsterl, Nassir Navab, Christian Wachinger
A disadvantage of FL is the dependence on a central server, which requires all clients to agree on one trusted central body, and whose failure would disrupt the training process of all clients.
2 code implementations • 4 Feb 2019 • Abhijit Guha Roy, Shayan Siddiqui, Sebastian Pölsterl, Nassir Navab, Christian Wachinger
This representation is passed on to the segmenter arm that uses this information to segment the new query image.
2 code implementations • 21 Nov 2016 • Sebastian Pölsterl, Nassir Navab, Amin Katouzian
Survival analysis is a fundamental tool in medical research to identify predictors of adverse events and develop systems for clinical decision support.